Add anyhow to dependencies

Cargo.lock

@@ -166,6 +166,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.68"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"
+
 [[package]]
 name = "arc-swap"
 version = "1.6.0"
@@ -3335,6 +3341,7 @@ version = "0.7.2"
 dependencies = [
  "activitystreams",
  "activitystreams-ext",
+ "anyhow",
  "array_tool",
  "askama_escape",
  "assert-json-diff",

plume-common/Cargo.toml

@@ -26,6 +26,7 @@ flume = "0.10.13"
 tokio = { version = "1.19.2", features = ["full"] }
 futures = "0.3.25"
 heck = "0.4.0"
+anyhow = "1.0.68"
 
 [dependencies.chrono]
 features = ["serde"]